Generally The rewards distribution is 50% of the payout goes to the author of the post, and 50% goes to the curator.The reward distribution is greatly influenced by the Steem power. The more steem power you have , the more rewards you can distribute from the reward pool and you can earn more.

The ability of casting votes and influencing rewards from the reward pool depends on the voting mana you have.In easy words, voting mana is the power of voting.Its initial value is 100% and its value is deducted by 2% for each vote. The maximum amount of recharge is 20% per day. The curation rewards are only for upvoting posts or comments, you can't get rewards for downvoting posts or comments.

Generally The rewards distribution is 50% of the payout goes to the author of the post, and 50% goes to the curator.Of the 50% that goes to the curator, the curator will receive---

Time	Curator Rewards	Rewards that goes to the pool
The moment of posting	0%	100%
At 1 minutes	20%	80%
At 2 minutes	40%	60%
At 3 minutes	60%	40%
At 4 minute	80%	20%
At 5 minutes(or later)	100%	0%

If I vote a post before 5 minutes marks after posting , 100% of the curation reward goes to the curator.

Witnesses are the block producer and governance body of steem blockchain. They are selected by the community to produce blocks for the steem blockchain every 3 seconds.There are 20 full-time witnesses and 21st position is shared by the backup witnesses.Each user can vote up to 30 witnesses .

There are many communities available in steem ecosystem.Most of them are inactive and the rest are very active. I alwayse tried to join those active communities which have a particular aim/vision.I went through many communities and joined them::

• Newcomer's Community: This Community is for the newcomers achievement Program.
• Steem Bangladesh: This is the largest and most active community of Bangladesh. As a resident of Bangladesh, Its my moral job to join.
• Steemalive: This community is very active. I just loved their vision and joined. Now I am engaged with the community.
• World of Xpilar: I joined the community to see the qualityful post about Art,Travel letters, photo art, pictures from nature, animals and more.
• Project Hope : I am interested in cryptocurrency, entrepreneurship and economy etc.
• World Of Football: I am a football fan since childhood.Now I am engaged and posting regularly there.

Thanks to @tarpan and @toufiq777 for guiding me.

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To the attention of @cryptokannon.